To provide an decorative body unit comprising a movable board component consisting of a body part which performs simple operation and an open/close member which is attached to a body part, appears/disappears and performs opening/closing operation as operation of the body part changes to give a great change to the whole shape of a movable board component; and to provide a game board and a Pachinko machine.

The decorative body unit 30 includes a decorative body disposed along a game board. The decorative body includes a main decorative member 32 disposed on a game board surface and at least one movable decorative member 40, 60 disposed in the outer diameter direction of the main decorative member. The movable decorative member includes at least two split movable decorative pieces and the respective split movable decorative pieces go freely back and forth between a separate position evacuated in the outer diameter direction of the main ornament member and an approximate position approximate to the main ornament member moved toward the inner diameter side from the separate position.

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